The data space is all about understanding how data is presented and represented in different form.
Data professionals basically process and brew data same way a chef uses different recipes to get different meals.
In essence, understanding data types, different forms of data presentation as well as the different computations you can perform on different types of data presented to you is very important at the beginning.
There is no better place to start, than learning how to use spreadsheets - excel or Google sheet.
This is because it gives you the ability to have a sixth sense to relate with data. Excel is a tool for all and if you must pivot to the data profession, start with consuming Microsoft Excel. Beyond being the natural origin, everything about data is catered for in Microsoft excel.

You wanna give it a try, watch this data analytics excel trainings here https://forms.gle/ajpkRC9FbeUjqW6Q7

The world is in need of data ninjas, you can be the next big thing.